100% Polyester. Loose fit for enhanced range of motion. UA Tech fabric for ultra-soft, natural feel. Moisture Transport System wicks away sweat to keep you dry while anti-microbial technology fights odors. Raglan short sleeve silhouette. Vendor Style: 1228539-025. Imported. This is the shirt that started it all – Under Armours Tech T-Shirt revolutionized the way that athletes train by providing them with performance apparel that can keep up with grueling practices. This loose-fit tee is designed to be the ultimate work-out partner.